References
- Hockey , R. 1983 . Stress and Fatigue in Human Performance , Chichester : Wiley .
- McGrath , J.E. 1970 . Social and Psychological Factors in Stress , New York : Holt, Rinehart & Winston .
- Brewer , M.B. and Collins , B.E. 1981 . Scientific Inquiry and the Social Sciences , San Francisco : Jossey-Bass .